空間電位 的英文怎麼說

中文拼音 [kōngjiāndiànwèi]
空間電位 英文
potential space
  • : 空Ⅰ形容詞(不包含什麼; 裏面沒有東西或沒有內容; 不切實際的) empty; hollow; void Ⅱ名詞1 (天空) s...
  • : 間Ⅰ名詞1 (中間) between; among 2 (一定的空間或時間里) with a definite time or space 3 (一間...
  • : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
  • : Ⅰ名詞1 (所在或所佔的地方) place; location 2 (職位; 地位) position; post; status 3 (特指皇帝...
  • 空間 : space; enclosure; room; blank; interspace
  1. The part of communication card development is mainly composed of the design of reset circuit, the implement and control of sharing ram, the assignation of address and the design of eprom program

    通信卡研製部分的主要內容包括復路的設計,共享ram的實現與控制,地址的分配以及板上eprom程序設計等。
  2. The displacement current mechanism is operative only for capacitors under reverse bias or very weak forward bias conditions which maintain a space-charge layer.

    流的機理只對反向偏壓或要維持荷層所需要的非常弱的正向偏壓條件下的容器才有用。
  3. The spatial condition and both the technical and economic feasibilities for the layout of the light - court for the auxiliary powerhouse under the condition of higher fluctuation of the flood level downstream is basically analyzed ; in which the principles of the layout and both the spatial dimension and configuration are discussed, and then a actual design case is given with the preliminary evaluation on the ventilating and lighting effect of the light - court

    初步分析了下游洪水變幅較大等環境條件下,貫流式水站副廠房設置自然通風採光天井的條件及其技術性和經濟性,討論了天井布置原則和尺度與形態處理,給出設計實例並初步評價了天井通風採光的效果。
  4. This multi - purpose optical metering system had adopted the twyman - green interferometric system as its center, containing an advanced digital wave surface interferometry and a kind of homodyne interferometer displacement testing method with nanometer - sized capacity. at the same time, many wide - applied metering technology, for example, the diffracted field ( fringe ) measurement, co - focal lens system, optical fiber sensors and 4f ( focal distance ) space filter system which can embody the chief principle of fourier optics well, were combined into it successfully. this instrument can firstly offer and show modern optical testing method in the laboratory for majors of information processing, instrument science, measuring and testing technology and automatic technology

    該多功能激光光實驗系統以泰曼-格林干涉( twyman - green )光路作核心,包括先進的數字波面干涉技術和一種基於干涉原理的、納米解析度零差干涉儀移測量方法,同時將多種新穎、工程實用價值高的測量技術和光路如衍射測量、共焦顯微技術、光纖傳感技術以及反映傅立葉光學基本光學原理的4f濾波系統也組合進去。
  5. Virtual reality technology can provide " participants " with a feeling of being personally on the scene. as a main actor in the virtual environment, userscan control any objects in the virtual environment arbitrarily and can get reaction in time. in the hyperspace of the information, he can get acknowledge with their own percipience and cognition, and, seek the solutin, and form the new conception. the association of the virtual reality technology and java technology intensify the interaction between the users and viryual reality technology. with the interface provided by java, the user can control any objecs and change the attributes ( such as position, angle, color and etc. ). this paper formulizes application of the virtual reality technology in the system of the building seilling which uses the real three dimensions models to replace of static picture ' s and word ' s description. in the process of the practice, the paper analyses the difference between javascript, java claa and java applet, and formulize the their applications in this system

    用戶在多維信息中,依靠自己的感知和認知能力全方地獲取知識,發揮主觀能動性,尋求解答,形成新的概念。虛擬現實技術與java技術的結合增加了虛擬現實技術與用戶的交互功能,用戶可以通過java提供的界面,操縱場景中的任何物體,並改變相應的屬性(如:置,角度,顏色等等) 。本篇論文闡述了虛擬現實技術應用在售樓系統中,用真實的三維模型來代替原有的靜態圖片及文字描述,在實踐過程中,分析了javascript , java類,及javaapplet實現功能中的利弊,分別闡述了它們在本系統中的應用,從理論上講,本課題所研究的虛擬現實技術不只適用於售樓系統的子商務中,同樣可用於軍事和演習、醫學、教育、娛樂和工程設計等領域。
  6. Firstly, in spherical coordinate system, the sovp formulation for the time - harmonic electromagnetic fields of the current dipole in conductive infinite - space is derived, using reciprocity theorem and transforming relations between special functions. then, selecting appropriate coordinate system, using superposition principle, the boundary - value problem of modified magnetic vector potential on the problem of a time - harmonic current dipole in spherical conductor is solved and analytical solution is obtained. finally, by means of the addition formulas of legendre polynomial and spherical harmonics function of degree n and order 1, the analytical solution in spherical coordinate system specially located is transformed into that in spherical coordinate system arbitrarily located

    首先利用特殊函數的轉化關系和互易定理推導得到了無限大導體中球坐標下時諧流元磁場的二階矢量形式:然後利用疊加原理,選擇合適坐標系,求解了導體球中時諧流元的修正磁矢量邊值問題,得到了問題的解析解;最後依據不同坐標系下磁場解的轉化原理,藉助勒讓德多項式和n次1階球諧函數的加法公式,將坐標系特殊安放時的磁場解析解變換到坐標系一般安放時的解析解,給出了球內場和球外磁場的並矢格林函數。
  7. The ring laser gyro ( rlg ) is a new photoelectric inertia sensor based on the optic interference theory. it uses the difference between the frequency of the two beams of light, which run in the opposite direction in the resonant cavity, to measure the carrier ’ s rotate speed and the orientation in the inertial space

    環形激光陀螺儀( ringlasergyro ,簡稱rlg )是以光學干涉原理為基礎發展起來的新型光慣性敏感儀器,它利用環形諧振腔內順、逆運行的兩束光的諧振頻率差來測量載體對于慣性的轉速和方
  8. The most outstanding function of this wheelchair is its height which can be regulated with user ' s requirements. this function helps expand the user ' s available space, supplement the user ' s body defect and reduce the caregiver ' s burden. it get more improved than previous products. besides, the wheelchair has designed both manual and eletric mode. on one hand, it can save user ' s energy and power, on the other hand it won ' t leave users hopeless in case of powering off and relieve the user ' s worriness. in addition, the bigger basket on the tail part of the wheelchair provides the great convenience for user ' s carrying goods. multiangular back and height - regulated pedal add comfortableness to users. the minidesk with the wheelchair is very convenient for users to read, write and do other things

    本設計的多功能輪椅最突出的一個功能就是座的高度可以根據使用者的需求隨意進行調節,這樣就可以大大擴展使用者的操作,補充了使用者在身體上的缺陷,也可以減輕照顧人員的工作負擔,比起以前的產品有了較明顯的改進;其他功能還有輪椅的手動動兩種驅動方式,這樣可以解決老年人和殘疾人在體力上存在的問題,同時在外出時遇上沒的情況也不至於顯得無能無力,消除了使使用者在長途奔波時的顧慮;此外於輪椅尾部的超大儲物筐,給使用者攜帶物品帶來了極大的方便,靠背的多角度調節,腳踏板的高度調節大大增加了使用者的使用舒適度,輪椅上小桌的設計給使用者讀書,寫字,進行其他活動帶來了極大的方便。
  9. The numerical computing methods of the equations involving the static electric - magnetic field, electronic motion in the static electric - magnetic field, and so on are detailed. the methods of the boundary disposal are introduced. the phenomenon of secondary electron emission has also been studied

    介紹了數值計算方法,包括靜磁場的數值計算、在靜靜磁場中子運動軌跡的數值計算、荷密度的數值計算和空間電位分佈的數值計算;介紹了邊界處理方法。
  10. Due to the complexity of the structure and control of cycloconverter - type three - phase hf link inverter for soft - switching based on phase - shift - controlled full - bridge mode, a simple and optimized vvvf control strategy is proposed. this control strategy includes : produced pwm by space voltage vector ( svm ) and equivalent carrier frequency fe = 1 / te are introduced into the pdm control of the cycloconverter ; softened equivalent pwm wave is generated at the notches of hf voltage pulses ; the harmonious control between regulating pulse width by phase - shifted angle and regulating voltage of equivalent pwm is to minimize the harmonics content of output voltage of the inverter

    西安理工大學博士學論文針對這種前級移相全橋軟開關周波變流型三相高頻鏈逆變器結構和控制的復雜性,提出了一種實現簡單而整體優化的vvvf控制策略:將壓矢量產生p姍的方法svm和等效載波頻率fe = 1 / te引入到周波變流器的pdm控制;按高頻壓脈沖前後沿軟化等效p翎波;用移相調節高頻脈沖寬度和等效p姍調壓協調控制逆變器輸出壓,在滿足輸出壓條件下使諧波最小。
  11. 2. to design an axial magnetic field. the cathode lies in 0. 4 - 0. 7 of peak value of the magnetic field and excursion channel in a uniform magnetic field to suppress space charge effects ; to design transition section between the gun and excursion channel in converse computation. 3

    選擇子槍陰極處于軸向聚焦磁場峰值的0 . 4 - 0 . 7倍處;漂移通道(互作用區)於均勻軸向聚焦磁場中,以抑制子束的荷效應;使用反演算法設計子槍和漂移通道之的過渡區。
  12. A linear theory of rbwo with inner - slot coaxial structure is analyzed detailedly, and the equation of dispersive relation is deduced and computered numerically. 4. particle simulation is used in rbwo respective with coaxial and partial structure. in the simulation, the output parameters of rbwo such as phasespace, contour, vector, voltage, current, output power, interaction efficiency and microwave radiation

    4 .對同軸和偏心返波管分別進行了粒子模擬,通過改變壓、流、子注置、磁場等參數來觀察返波管加了內開槽前後相、等線、矢量、壓、流、輸出功率、工作頻率的變化。
  13. The operating principles of svpwm and associated control algorithms are also covered in the paper. by using svpwm to control the magnitude and phase angles of the spatial voltage vector, the speed control of the drive system in this paper can reduce the output of current harmonics, lower the torque ripple, and improve the energy efficiency

    本文還對svpwm的工作原理和控制演算法進行了研究,控制系統採用svpwm演算法,通過對壓矢量的幅值和相的控制來調節機轉速,減少了逆變器輸出流的諧波,降低了脈動轉矩,提高了壓的利用率。
  14. The main module of sensorless pmsm vector control such as voltage sensing, current sensing, smo rotor position estimation, speed calculation, generation of sine and cosine, vector coordinate transformation, pi regulators, svpwm vector modulation are all accomplished in the pwm interrupt service routines

    永磁同步機無置傳感器矢量控制的主要模塊如壓采樣、流采樣、滑模轉子置估算、速度計算、正餘弦值生成、矢量坐標變換、比例積分調節器、壓矢量脈寬調制等都是在pwm中斷服務子程序中完成。
  15. It can be seen from dtc space vectors whose flux linkages are discrete in space that the dtc method is also a discrete control approach for motor drives, which is consistent with ac step motion control in control ideology. but in dtc control, fast torque response and speed performance are the final objective, which can not achieve position control of synchronous motors

    從直接轉矩控制中的壓矢量的概念可知,它也是一種機的離散控制策略,磁鏈在是離散化的,和交流步進理論的控制思想是一致的,但是它最終是為了較快的轉矩響應和速度調節特性,無法完成同步動機的置控制。
  16. Firstly, this paper introduces the asynchronous motor model, and compares it with the dc motor ’ s. then the paper studies the principle of vector control, and proposes an improved current model of rotor flux observer. this paper also studies the three - level inverter ’ s topology, working principle, the neutral - potential unbalance mechanism and its controlling strategy. the paper especially studies the svpwm in details. the interface between the vector control and the three - level inverter is studied in details, including the generation of reference voltage vector, its judging of the sector and triangular regions, and the working mechanism after it sent into three - level inverter. when synthesizing the reference voltage vector, select the vector which only includes p and o states as the starting vector, thus eliminate the vector shift problem when sector changes. this paper fully takes advantages of the powerful functions of matlab / simulink to set up the simulation model. this construction is very explicit. the simulation results verify the inverter voltage output is correct, the rotor flux is steady, the asynchronous motor ’ s dynamic and steady state performances and speed modulation are excellent

    本文首先介紹了異步機的數學模型,在此基礎上將異步機的數學模型與直流機的數學模型進行了比較;然後介紹了矢量控制的基本原理,採用了一種改進的轉子磁鏈流型觀測模型;對三平逆變器的路拓撲、工作原理、中點不平衡的機理及控制方法進行了介紹,詳細分析了矢量脈寬調制策略。本文對異步機的矢量控制與三平逆變器之的介面進行了詳細的研究,包括:參考壓矢量的形成、所落扇區與具體小三角形區域的判斷、送入逆變器之後的工作機理。在參考壓矢量的合成時,選擇只包含p 、 o狀態的壓矢量作為起始矢量,解決了扇區切換時的矢量突變問題。
  17. Based on two drill holes with known geological conditions and adopting relative phase wave, the authors obtained two diametrically different types of ip relative phase sounding curves for orebodies and carbonaceous beds respectively, which can be used to distinguish anomalies of different properties and determine spatial positions

    摘要根據礦山提供的兩個已知地質條件的鉆孔,採用激組合波相對相測深法獲得了在礦體上和炭質層上兩種完全不同類型的激相對相測深曲線,不僅可以區分異常性質,而且可以
  18. The system not only has the common functions with electronic map, such as zoom in, zoom out, pan etc., but also has powerful search and space orientation functions

    該系統不僅具有子地圖的常用功能,如放大、縮小、漫遊等,還具有強大的查詢功能和功能。
  19. First, this paper analyzes the principle of the boost type pwm reversible rectifier in detail, explores space vector method to investigate its inversion, and establishes the mathematics model in abc coordinate, coordinate, and d q coordinate respectively. secondly, this paper analyzes the control of hysteretic current method, explores the defect of hysteretic current control

    本文首先對boost壓型pwm整流器的工作原理進行比較詳細的分析,提出了用壓矢量方法分析三相單功率因數壓型pwm整流器的換流方式,建立了整流器在abc坐標系以及在坐標系、 dq坐標系的數學模型。
  20. Wearing a stereoscopic, position - tracked headset that presented three - dimensional computer graphics, the patients experienced the illusion of wandering through a kitchen, complete with countertops, a window and cabinets that could be opened

    燒燙傷患者戴上有立體視覺效果、可以追蹤置,並呈現出三維腦繪圖的頭套,如真似幻般穿梭于有著完整桌面、可以打開窗戶與廚櫃的廚房。
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